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FE Technical Forum / Re: Fuel Injection / Timing Map Tuning Question
« on: January 31, 2019, 12:12:53 PM »
Thank You! This is perfect and I really appreciate it.
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Non-FE Discussion Forum / Re: 3D Plastic printing
« on: January 31, 2019, 10:54:09 AM »
I use 3D printing all the time at work and personally. I have several parts in my car including Gauge Mounts and a custom switch plate in place of where the ashtray was in the center console. A great supplier is Shapeways.com if you don't have access to a printer of your own. They have dozens of materials from cheap plastics (which are really very good) to exotic metals. The only thing you have to be able to do is send them a 3D model of part you want. The whole process is online, very simple and surprisingly cheap.
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FE Technical Forum / Fuel Injection / Timing Map Tuning Question
« on: January 31, 2019, 10:07:15 AM »
I am new to the forum. Thanks in advance for your help and for letting me play along.
I'm working on a 428CJ (now a 462) with an Edelbrock ProFlo2 fuel injection system that I built about 4 years ago. I have a wide band O2 sensor, Ethanol Meter and Knock Sensor on board so I have nailed down the fuel ratios pretty close but I have no idea what to do with the spark map. The base maps from Edelbrock are for a much milder and smaller motor so I am sure they are not optimum - nor does it run as strong as I think it should.
Does anyone have a spark map that is working well on a similar motor or can you point me in the right direction?
I'm not sure if this is way too much information or not nearly enough - but this is what I built.
- 69 Mach 1, Q code, 428SCJ
- 0.030 over with a SCAT rotating assembly to make 462 cubic inches
- Static Compression Ratio = 11.77
- Dynamic Compression Ratio = 8.26
- Quench Height = 0.038"
- Aluminum Edelbrock 60069 Heads
- Combustion Chamber Volume = 72cc
- Intake Runner Volume = 177cc
- Valve Size Intake / Exhaust = 2.090 / 1.660
- Comp Cams Hydraulic Roller
- Duration @0.050" Intake / Exhaust = 234 / 240
- Advertised Duration @ 0.006 = 287 / 293
- Gross Lift = 0.594 / 0.598
- 112° Lobe SEparation Angle
- Installed at 110° intake centerline
- Hooker Supercomp Headers
- 1-7/8" Tube Diameter
- 36" Tube Length
- 3" Dual Exhaust all the way back
- Flowmaster Mufflers (forgot the part number...)
I live at 5200 ft elevation and run 91 octane if I have to but typically mix with E85 to about 30% ethanol.
I know the right answer is take it to a speed shop and have it dyno tuned and some day I will - not least because I want to know how much power it's actually making. But time, money and proximity make that tough so any help you can provide would be greatly appreciated.
Thanks in advance!
I'm working on a 428CJ (now a 462) with an Edelbrock ProFlo2 fuel injection system that I built about 4 years ago. I have a wide band O2 sensor, Ethanol Meter and Knock Sensor on board so I have nailed down the fuel ratios pretty close but I have no idea what to do with the spark map. The base maps from Edelbrock are for a much milder and smaller motor so I am sure they are not optimum - nor does it run as strong as I think it should.
Does anyone have a spark map that is working well on a similar motor or can you point me in the right direction?
I'm not sure if this is way too much information or not nearly enough - but this is what I built.
- 69 Mach 1, Q code, 428SCJ
- 0.030 over with a SCAT rotating assembly to make 462 cubic inches
- Static Compression Ratio = 11.77
- Dynamic Compression Ratio = 8.26
- Quench Height = 0.038"
- Aluminum Edelbrock 60069 Heads
- Combustion Chamber Volume = 72cc
- Intake Runner Volume = 177cc
- Valve Size Intake / Exhaust = 2.090 / 1.660
- Comp Cams Hydraulic Roller
- Duration @0.050" Intake / Exhaust = 234 / 240
- Advertised Duration @ 0.006 = 287 / 293
- Gross Lift = 0.594 / 0.598
- 112° Lobe SEparation Angle
- Installed at 110° intake centerline
- Hooker Supercomp Headers
- 1-7/8" Tube Diameter
- 36" Tube Length
- 3" Dual Exhaust all the way back
- Flowmaster Mufflers (forgot the part number...)
I live at 5200 ft elevation and run 91 octane if I have to but typically mix with E85 to about 30% ethanol.
I know the right answer is take it to a speed shop and have it dyno tuned and some day I will - not least because I want to know how much power it's actually making. But time, money and proximity make that tough so any help you can provide would be greatly appreciated.
Thanks in advance!
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